package com.xukehong.frame.security;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

/**
 * @author 许克弘
 * @date 2020/2/26 16:56
 */
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private MyUserService myUserService;

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.cors().and().csrf().disable(); //默认开启，这里先显示关闭

        http
                .formLogin() //使用Form表单Post方式进行登录
                .loginPage("/login") //登录页面为自定义的登录页面
                .successForwardUrl("/index") //登录成功跳转地址
                .failureUrl("/login?error=true") //登录失败跳转地址
                .permitAll()
                .and()
                .exceptionHandling().accessDeniedPage("/403") // 处理异常，拒绝访问就重定向到 403 页面
                .and()
                //允许不登录就可以访问的方法，多个用逗号分隔
                .authorizeRequests().antMatchers("/**").permitAll()
//                 .authorizeRequests().antMatchers("/").permitAll()
                .anyRequest().authenticated(); //其他的需要授权后访问
    }


    /**
     * 处理前端文件，拦截忽略
     */
    @Override
    public void configure(WebSecurity web) throws Exception {
        web.ignoring().antMatchers("/js/**","/css/**","/image/**",
                "/v2/api-docs",
                "/swagger-resources/**",
                "/swagger-ui.html",
                "/webjars/**");
    }

    //密码加密方式
    @Bean
    public PasswordEncoder passwordEncoder(){
        return new BCryptPasswordEncoder();
    }

    //重写方法，自定义用户
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(myUserService);
    }


}
